A Closer Look at Blisters on Skin

Blister on Skin 300x200 A Closer Look at Blisters on Skin

If you’re really curious about blisters, then this article is just what you need. Blisters are one of the most common skin lesions. Most of us know what blisters look and feel like. We think about blisters as something that just happens to all of us. But blisters are something more than what we think they are. How much do we really know about blisters? Do we really know enough? Read on and find out.

A blister is a small bubble-like, fluid-containing, swelling that appears on the external layer of the skin. In other words, it’s simply an elevated skin area with a liquid content which may sometime be painful. Blisters on skin are very distinct areas commonly in the hands and feet but may also be found in other parts of the body.

It’s also quite easy to recognize a blister from other skin conditions. For instance, a blister differs from a callus in that blisters are fluid-containing pockets whereas calluses are hardened areas of skin. Blisters also tend to extend outward to the skin surface while calluses push downward. A blister also has a more rapid onset compared to that of a callus.

Blisters on skin are actually your body’s natural reaction to physical injury or primary health conditions. Among the external factors that cause blisters to form is friction between your skin and some other surface. Tiny foreign bodies that get lodged in your skin can also cause blisters. Blisters can also develop when you get exposed to extreme heat or cold. Additionally, blisters on skin may indicate some other disease condition such as fevers and infections (chickenpox).

Blister formation actually takes place in the layer of skin just beneath the surface. When the underlying layer of the skin becomes weakened or damaged by injury or pressure, fluid begins to gather and form a pocket with the outer layer. The resulting swelling is what we see as a blister. Friction is most of the time (but not always) responsible for the wear on the underlying skin layer that starts this process.

Blisters on skin can be classified in various ways. Blisters may be grouped according to their causes. For instance, a friction blister results from injury due to rubbing while fever blister develops from a disease condition. They may also be categorized according to the characteristics of their fluid content. A blood blister contains traces of blood in its pocket whereas a water blister only contains a clear liquid (serum). An unbroken blister is one which is still intact while a broken blister has already ruptured.

In some sense, blisters are a part of our lives. Knowing more about blisters helps us deal with them more effectively. Blisters are more than just bumps on our skin; they are our body’s way of telling us that something might be wrong. So, we need to understand what our blisters are telling us.

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